55515565660612 has 12 divisors (see below), whose sum is σ = 97170174638460. Its totient is φ = 27752658621056.

The previous prime is 55515565660591. The next prime is 55515565660657. The reversal of 55515565660612 is 21606656551555.

55515565660612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2802389833156 + 52713175827456 = 1674034^2 + 7260384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281027937 + ... + 1281071272.

It is an arithmetic number, because the mean of its divisors is an integer number (8097514553205).

Almost surely, 2^{55515565660612} is an apocalyptic number.

It is an amenable number.

55515565660612 is a deficient number, since it is larger than the sum of its proper divisors (41654608977848).

55515565660612 is a wasteful number, since it uses less digits than its factorization.

55515565660612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562104630 (or 2562104628 counting only the distinct ones).

The product of its (nonzero) digits is 40500000, while the sum is 58.

The spelling of 55515565660612 in words is "fifty-five trillion, five hundred fifteen billion, five hundred sixty-five million, six hundred sixty thousand, six hundred twelve".